<div class="first_top">
    <h class="first_title">微信登录</h>
</div>
<div class="wxlogin">
    appid: {{vm.appid}}<br />
    openid: {{vm.openid}}<br />
    nickname: {{vm.userinfo.nickname}}<br />
</div>
<button class="login_btn" ng-click="vm.wxGetOpenid()" ng-hide="vm.openid">微信跳转获取openid</button>
<button class="login_btn" ng-click="vm.wxLoginOpenid()" ng-show="vm.openid && !vm.userinfo">微信openid登陆获取用户信息</button>
<button class="login_btn" ng-click="vm.wxLoginJump()">微信跳转获取昵称和头像</button>
